{"id":20714,"date":"2018-03-09T09:10:09","date_gmt":"2018-03-09T09:10:09","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/oxazolidinonas-paladio-cadenas-perfluoradas-y-nanoparta%c2%adculas-un-ejercicio-de-catalisis\/"},"modified":"2018-03-09T09:10:09","modified_gmt":"2018-03-09T09:10:09","slug":"oxazolidinonas-paladio-cadenas-perfluoradas-y-nanoparta%c2%adculas-un-ejercicio-de-catalisis","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/oxazolidinonas-paladio-cadenas-perfluoradas-y-nanoparta%c2%adculas-un-ejercicio-de-catalisis\/","title":{"rendered":"Oxazolidinonas, paladio, cadenas perfluoradas y nanopart\u00edculas: un ejercicio de cat\u00e1lisis"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Silvia Villarroya Lidon <\/strong><\/h2>\n<p>En la presente tesis doctoral se ha llevado a cabo el estudio del alcance y las limitaciones de la reacci\u00f3n de formaci\u00f3n de n-aril-4-viniloxazolidin-2-onas a partir de la reacci\u00f3n entre el (z)-1,4-bis-(etoxicarboniloxi)but-2-eno y diferentes anilinas relativamente \u00e1cidas y no nucle\u00f3filas bajo cat\u00e1lisis por pd(0). El \u00e9xito de la reacci\u00f3n depende de la acidez de la anilina y por tanto de la presencia de grupos electroatrayentes. La reacci\u00f3n requiere la conversi\u00f3n in situ del biscarbonato en el correspondiente carbonato-carbamato por ataque nucleof\u00edlico de la base conjugada de la anilina seguida de la ciclaci\u00f3n intramolecular catalizada por pd.  en segundo lugar se ha puesto a punto un nuevo m\u00e9todo de perfluoroalquilaci\u00f3n de anilinas con yoduros de perfluoroalquilo en presencia de \u00f3xido de cobre(i) en dmso a 130\u00c2\u00bac. La perfluoralquilaci\u00f3n tiene lugar en las posiciones orto y para del anillo arom\u00e1tico. Fenoles y anisoles pefluoroalquilados pueden obtenerse mediante este m\u00e9todo. Sin embargo, la selectividad es baja y la reacci\u00f3n da lugar a una mezcla de is\u00f3meros orto, meta y para. Por \u00faltimo se ha estudiado la aplicaci\u00f3n de este m\u00e9todo de perfluoroalquilaci\u00f3n a anilinas con alfa,w-diyodoperfluoroalcanos, dando lugar a la formaci\u00f3n de productos oligom\u00e9ricos.  en tercer lugar, se ha preparado nanopart\u00edculas de pd(0) establizados por compuestos polifluorados por reducci\u00f3n de una soluci\u00f3n de cloruro de paladio en metanol a 60\u00c2\u00bac. Estas nanopart\u00edculas de pd(0) son activas en las reacciones de acoplamiento cruzado de suzuki  y de heck en codiciones de cat\u00e1lisis bif\u00e1sica fluorada, son recuperadas en este sistema bif\u00e1sico de disolventes y reutilizadas sin p\u00e9rdidas de actividad catal\u00edtica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Oxazolidinonas, paladio, cadenas perfluoradas y nanopart\u00edculas: un ejercicio de cat\u00e1lisis<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Oxazolidinonas, paladio, cadenas perfluoradas y nanopart\u00edculas: un ejercicio de cat\u00e1lisis <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Silvia Villarroya Lidon <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/12\/2002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Marcial Moreno Ma\u00f1as<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Luis Garc\u00eda ruano <\/li>\n<li>joaquin Plumet ortega (vocal)<\/li>\n<li>Miguel \u00e1ngel Yus astiz (vocal)<\/li>\n<li>carmen N\u00e1jera domingo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Silvia Villarroya Lidon En la presente tesis doctoral se ha llevado a cabo el estudio del alcance [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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